UA2305

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

74.0%

UA2305, operated by United Airlines, flies 5 different airport pairs — it is a multi-leg service. Across all 1,128 recorded departures, 74.0% left on time; the legs differ and are listed below.

domestic flights only sample 1,128 departures · arrival delay, measured at the gate
This number flies several legs

Because this number covers several legs, the headline figure is an average across all of them. Read the leg table for the one you are flying.

74.0%on time
16.6 minaverage delay
0.5%cancelled
1,128recorded departures

These charts combine all legs flown under this number. Changes in the mix of legs can affect the monthly figures; consult the leg table below.

On-time departures by month

All legs combined

On time means departing no more than 15 minutes after schedule. Monthly punctuality uses only non-cancelled flights with a recorded departure delay; flights with missing times are excluded. Each month reflects the records available from the source.

according to us_bts_otp · 2024-09 → 2026-06

Recorded departures by month

All legs combined

according to us_bts_otp · 2024-09 → 2026-06

Cancellation share

  • Not cancelled 99.5% 1,122
  • Cancelled 0.5% 6

Share of all recorded flights over the period shown, including every leg. Not cancelled does not necessarily mean on time.

according to us_bts_otp · 2024-09-02 → 2026-06-30

Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
September 2024 31 31 90.3% 0
October 2024 62 62 87.1% 0
November 2024 59 59 69.5% 0
December 2024 62 60 81.7% 2
January 2025 46 45 80.0% 1
February 2025 45 45 75.6% 0
March 2025 54 54 72.2% 0
April 2025 51 51 84.3% 0
May 2025 54 53 81.1% 1
June 2025 51 50 78.0% 1
July 2025 21 21 76.2% 0
August 2025 26 26 69.2% 0
September 2025 35 35 82.9% 0
October 2025 58 58 77.6% 0
November 2025 59 59 79.7% 0
December 2025 62 62 75.8% 0
January 2026 57 56 76.8% 1
February 2026 52 52 78.9% 0
March 2026 61 61 78.7% 0
April 2026 60 60 50.0% 0
May 2026 62 62 50.0% 0
June 2026 60 60 48.3% 0

Legs flown under this number

4
RoutesDistance (km)Avg delay On timeDepartures
SBA SFO Santa Barbara Municipal Airport – San Francisco International Airport 422 22.7 min 69.9% 586
SFO IAH San Francisco International Airport – George Bush Intercontinental Airport 2,627 11.6 min 77.3% 454
SFO IAD San Francisco International Airport – Washington Dulles International Airport 3,883 3.3 min 77.8% 36
SFO DEN San Francisco International Airport – Denver International Airport 1,553 5.7 min 80.7% 31